No display name is specified for configurable

[stone-xia]

com.intellij.diagnostic.PluginException: No display name is specified for configurable github.mengzz.annotation.tool.config.ui.ConfigGUI in xml file;
specify it using 'displayName' or 'key' attribute to avoid necessity to load the configurable class when Settings dialog is opened [Plugin: github.mengzz.annotation-tool]
at com.intellij.openapi.options.ex.ConfigurableWrapper.getDisplayName(ConfigurableWrapper.java:156)
at com.intellij.openapi.options.ex.Weighted.lambda$static$0(Weighted.java:26)
at java.base/java.util.TimSort.binarySort(TimSort.java:296)
at java.base/java.util.TimSort.sort(TimSort.java:221)
at java.base/java.util.Arrays.sort(Arrays.java:1307)
at java.base/java.util.ArrayList.sort(ArrayList.java:1721)
at com.intellij.openapi.options.ex.SortedConfigurableGroup.buildConfigurables(SortedConfigurableGroup.java:41)
at com.intellij.openapi.options.SearchableConfigurable$Parent$Abstract.getConfigurables(SearchableConfigurable.java:75)
at com.intellij.openapi.options.ex.EpBasedConfigurableGroupKt.collect(EpBasedConfigurableGroup.kt:148)
at com.intellij.openapi.options.ex.EpBasedConfigurableGroupKt.access$collect(EpBasedConfigurableGroup.kt:1)
at com.intellij.openapi.options.ex.EpBasedConfigurableGroup.(EpBasedConfigurableGroup.kt:110)
at com.intellij.openapi.options.ex.ConfigurableExtensionPointUtil.getConfigurableGroup(ConfigurableExtensionPointUtil.java:119)
at com.intellij.ide.actions.ShowSettingsUtilImpl$Companion.getConfigurableGroups(ShowSettingsUtilImpl.kt:48)
at com.intellij.ide.actions.ShowSettingsUtilImpl.getConfigurableGroups(ShowSettingsUtilImpl.kt)
at com.intellij.ide.actions.ShowSettingsAction.perform(ShowSettingsAction.java:60)
at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:47)
at com.intellij.openapi.actionSystem.ex.ActionUtil.doPerformActionOrShowPopup(ActionUtil.java:339)
at com.intellij.openapi.actionSystem.ex.ActionUtil.lambda$performActionDumbAwareWithCallbacks$4(ActionUtil.java:313)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareWithCallbacks(ActionUtil.java:362)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAwareWithCallbacks(ActionUtil.java:313)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$performAction$5(ActionMenuItem.java:300)
at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:226)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.performAction(ActionMenuItem.java:293)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$new$0(ActionMenuItem.java:68)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$4(ActionMenuItem.java:115)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:94)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:115)
at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:526)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:558)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6657)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3385)
at java.desktop/java.awt.Component.processEvent(Component.java:6422)
at java.desktop/java.awt.Container.processEvent(Container.java:2266)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5027)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4855)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4954)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4581)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4522)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2808)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4855)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:791)
at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:740)
at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:734)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:764)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:762)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:761)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:685)
at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.kt:633)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:588)
at com.intellij.ide.IdeEventQueue.access$_dispatchEvent(IdeEventQueue.kt:67)
at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:369)
at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:368)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:787)
at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:368)
at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:363)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:992)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:113)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:992)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$7(IdeEventQueue.kt:363)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:861)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:405)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)